From 232540fa250f2a1e51cb1958761dc8716f1cd112 Mon Sep 17 00:00:00 2001
From: bdemsky <bdemsky>
Date: Wed, 19 May 2004 05:48:34 +0000
Subject: [PATCH] Worklist items from a previous model build stay in the
 worklist...this causes lots of problems.  We've added a reset method to take
 care of this...

---
 Repair/RepairCompiler/MCC/IR/RepairGenerator.java |  1 +
 Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc   | 12 ++++++++++--
 Repair/RepairCompiler/MCC/Runtime/SimpleHash.h    |  1 +
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Repair/RepairCompiler/MCC/IR/RepairGenerator.java b/Repair/RepairCompiler/MCC/IR/RepairGenerator.java
index 1114e1a..f0acb61 100755
--- a/Repair/RepairCompiler/MCC/IR/RepairGenerator.java
+++ b/Repair/RepairCompiler/MCC/IR/RepairGenerator.java
@@ -479,6 +479,7 @@ public class RepairGenerator {
 	craux.outputline("while (1)");
 	craux.startblock();
 	craux.outputline(name+ " * "+newmodel.getSafeSymbol()+"=new "+name+"();");
+	craux.outputline(worklist.getSafeSymbol()+"->reset();");
     }
     
     private void generate_teardown() {
diff --git a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
index bed5c1f..c1579f2 100755
--- a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
+++ b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.cc
@@ -79,6 +79,12 @@ WorkList::WorkList() {
   tailoffset=0;
 }
 
+void WorkList::reset() {
+  head=tail;
+  headoffset=0;
+  tailoffset=0;
+}
+
 int WorkList::hasMoreElements() {
   //  return (ptr != 0);
   return ((head!=tail)||(headoffset!=tailoffset));
@@ -124,10 +130,12 @@ void WorkList::pop() {
 
 void WorkList::add(int id,int type, int lvalue, int rvalue) {
   if (headoffset==WLISTSIZE) {
-    head->next=(struct ListNode *)malloc(sizeof(struct ListNode));
+    if (head->next==0) {
+      head->next=(struct ListNode *)malloc(sizeof(struct ListNode));
+      head->next=0;
+    }
     headoffset=0;
     head=head->next;
-    head->next=0;
   }
   head->data[headoffset++]=id;
   head->data[headoffset++]=type;
diff --git a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
index 0823fd4..eda2467 100755
--- a/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
+++ b/Repair/RepairCompiler/MCC/Runtime/SimpleHash.h
@@ -46,6 +46,7 @@ private:
 public:
     WorkList();
     ~WorkList();
+    void reset();
     void add(int id, int type, int lvalue, int rvalue);
     int hasMoreElements();
     int getid();
-- 
2.34.1